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Finding the Fourth Proportional to 129,954.44, 179,337.66 and 70,338.44

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Solution

The fourth proportional to 129,954.44, 179,337.66 and 70,338.44 is: 97,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,954.44 : 179,337.66 = 70,338.44 : x
  2. Step 2: Convert to fraction form
    129,954.44/179,337.66 = 70,338.44/x
  3. Step 3: Cross multiply
    129,954.44x = 179,337.66 × 70,338.44
  4. Step 4: Simplify right side
    129,954.44x = 12,614,331,237.65
  5. Step 5: Solve for x
    x = 12,614,331,237.65/129,954.44
  6. Step 6: Final answer
    x = 97,067.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.